106421159 has 6 divisors (see below), whose sum is σ = 115237296. Its totient is φ = 98234760.

The previous prime is 106421143. The next prime is 106421167. The reversal of 106421159 is 951124601.

It is not a de Polignac number, because 106421159 - 2⁴ = 106421143 is a prime.

It is a super-2 number, since 2×106421159² = 22650926165806562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106421179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314687 + ... + 315024.

It is an arithmetic number, because the mean of its divisors is an integer number (19206216).

Almost surely, 2^106421159 is an apocalyptic number.

106421159 is a deficient number, since it is larger than the sum of its proper divisors (8816137).

106421159 is an equidigital number, since it uses as much as digits as its factorization.

106421159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629737 (or 629724 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 106421159 is about 10316.0631541301. The cubic root of 106421159 is about 473.8883091833. Note that the first 3 decimals are identical.

The spelling of 106421159 in words is "one hundred six million, four hundred twenty-one thousand, one hundred fifty-nine".